Ultra-Precision Micro Silicon Nitride Balls for Instrumentation

Time:Jun 02,2026
Blog Posts


Precision instruments such as optical detectors and miniature sensors need tiny high-precision rolling components. Micro silicon nitride balls with diameter less than 3mm have ultra-small tolerance and ultra-smooth surface, becoming the core accessories of miniature precision instruments.


Micro balls adopt micro powder molding technology. High-purity nano silicon nitride powder is pressed into tiny spherical blanks. After multiple times of fine polishing, the diameter tolerance is controlled within ±0.001mm.


Non-magnetic and insulation properties ensure instrument accuracy. Miniature sensing instruments are sensitive to magnetic interference. Micro ceramic balls avoid magnetic signal distortion and improve detection precision.


Lightweight characteristics reduce instrument load. Tiny low-density balls will not produce extra pressure on miniature mechanical structures, keeping instrument sensitivity and response speed.


Anti-corrosion and dust resistance adapt to complex detection environment. Precision instruments are often used in humid and dusty laboratories. Micro silicon nitride balls are not easy to pollute and damage.


With the miniaturization and high-precision development of detection instruments, the market demand for micro silicon nitride balls is growing rapidly.